Run results for: Dayjs Date-fns format comparison

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 16_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/107.0.5304.101 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 107

Operating system: iOS 16.0

Device Platform: Tablet

Date tested: one year ago

Test name	Executions per second
Date-fns	311202.9 Ops/sec
Dayjs	436569.3 Ops/sec

HTML Preparation code:

<script src="https://unpkg.com/dayjs@1.8.21/dayjs.min.js"></script>
<script src="https://igor.moomers.org/random/datefns.js"></script>

Script Preparation code:

window.ds = "2020-02-19T00:51:53.623839+00:00";

Tests:

Date-fns
window.datefns.parseISO(window.ds); window.datefns.format(new Date(), "mm-dd-yyyy");
Dayjs
dayjs(ds) dayjs().format("MM-DD-YYYY")